Re: [ecasound] capture from two delta 1010LTs at once

Cool, the "hack" is actually a feature! I love
high-end equipment, I just can't afford it.

-=Sean Edwards=-

--- Paul Winkler <pw_lists@email-addr-hidden> wrote:

> On Wed, Nov 16, 2005 at 11:26:27AM -0800, Sean
> Edwards wrote:
> > This is just a theory, but are the two sound cards
> > synchronized to the same oscillating timing
> crystal?
> > When using multiple sound cards, the crystals that
> > provide the timing for the oscillator on each card
> are
> > within an acceptable range, but not exact. This
> is
> > why RME provides "add-on" cards to their
> Hammerfall
> > product line; each add-on cards uses the crystal
> and
> > oscillator on the main card that connects to the
> PCI
> > bus.
> >
> > There is some documentation regarding a hardware
> hack
> > for using multiple sound cards. The idea of the
> hack
> > is simple: remove/disable/bypass the crystal on
> all
> > sound cards but one, then use some sort of jumper
> > connection from each card to use the crystal on
> one
> > card. Put the term "synchronizing sound cards"
> into
> > your favorite search engine to find out more about
> > this.
> >
> > As I said before, this is just a theory.
>
> What he said. But I'd first check if the 1010LT has
> a word-clock input / output anywhere, and if so,
> use that - that's what it's for.
>
> Failing that, if it has optical I/O (I know the 1010
> has S/PDIF but I don't know about the LT), you can
> connect the optical out of one card to the optical
> in
> of the other, and set the second card to use
> S/PDIF input for its clock by using envy24control.
>
> --
>
> Paul Winkler
> http://www.slinkp.com
>
>
>
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Received on Thu Nov 17 00:15:06 2005